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Multi Channel Amplifiers
8.
Auto Sensing (AS)
selector switch
When the AS level switch button is sticking up for “LOW”; the amplifier is
set for low level input. The amplifier REM connection is required to Remote
Turn-on from the source unit
When the AS level switch button is pushed in for “HI”; the amplifier is set
for high level input. Use the High Level In Adapter for the RCA terminals. The
Amplifier has a DC OFFSET turn on function for High level input, auto sensing
Channel A only. The REM connection to the source unit is not required for
high Level input.
9.
GAIN
Control
Use the
GAIN
Control to fine-tune the input sensitivity of the amplifier to the
source unit’s output level. The operating range is from MIN to MAX.
This is NOT a volume control!
10.
Crossover Filter
(570-AZR400X4 only)
These controls allow control over the frequencies played for the rear
channels. There is an option for Low Pass Filter, Full Range or High Pass Filter.
11.
Frequency Control
(570-AZR400X4 only)
Used with the Crossover filter switch; the crossover frequency can be tuned
from 50Hz to 750Hz by the frequency dial in either LPF or HPF mode.
12.
Power
Indicator
The LED indicates the amplifier is functioning properly when the LED is lit.
13.
Protection
Indicator
The LED will light up red and will flash if there is a fault detected by the
amplifier. Disconnect the amplifier. Check and fix the connections to resolve
the fault condition.
14.
4-Channel / Sub-Woofer Input
selector switch (570-AZR700X5 only)
The button selects the signal source for Sub-woofer channel .
• When the button is in the up position; the Sub-woofer input signal is
acquired from the Sub-woofer RCA input jacks.
• When the button is in the down position, the sub-woofer bass frequency is
acquired from 4x full frequency channel’s bass signal
15.
Subsonic
Filter (570-AZR700X5 only)
The
Subsonic
is adjustable to filter out undesirable low frequencies from
10Hz to 50Hz.
